Generator / tune

Details for Pythia 8.308 CP5 vs. 8.313

pp/ppbar → Underlying Event


Observable Reference Energy χ2+5% (8.308) Δ χ2+5% (8.313)
Away
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.21 0 0.21
ATLAS_2017_I1509919 13000 0.29 -0.0100 0.28
Transverse
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.39 -0.040 0.35
ATLAS_2017_I1509919 13000 0.49 -0.040 0.45
TransMAX
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.52 -0.050 0.47
TransMIN
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.46 -0.020 0.44
Toward
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.35 -0.030 0.32
ATLAS_2017_I1509919 13000 0.37 -0.020 0.35
Away
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.23* +0.13 0.36
ATLAS_2017_I1509919 13000 0.35 +0.050 0.40
Transverse
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.92* -0.050 0.87
ATLAS_2017_I1509919 13000 0.99 -0.15 0.84
CDF_2010_I849042 1960 n/a - n/a
TransMAX
<pT> vs pTlead
ATLAS_2017_I1509919 13000 1.3 -0.45 0.85
TransMIN
<pT> vs pTlead
ATLAS_2017_I1509919 13000 0.94 +0.060 1.0
Toward
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.2* -0.100 1.1
ATLAS_2017_I1509919 13000 0.68 -0.10 0.58
Transverse
Strange <N> vs pTlead
CMS_2012_PAS_QCD_11_010 7000 9.3* -1.7 7.6*
Transverse
Max(pT) vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Transverse
Nch
CMS_2011_I916908 [900..7000] 5.8* +1.3 7.1*
Δφ distributions
<Nch> vs Δφ
ATLAS_2010_I879407 [900..7000] 2.5 +0.50 3.0
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 4.2* +1.6 5.8*
Transverse
<Nch> vs ηlead
ATLAS_2010_I879407 7000 0.62 +0.58 1.2
Away
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.3* +0.40 1.7
ATLAS_2017_I1509919 13000 2.6 +0.30 2.9
CDF_2001_I564673 1800 2.5* +1.9 4.4*
CDF_2010_I849042 1960 n/a - n/a
STAR_2009_UE_HELEN 200 n/a - n/a
Transverse
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.78* +0.62 1.4
ATLAS_2017_I1509919 13000 2.9 +0.10 3.0
CDF_2001_I564673 1800 1.6* +2.4 4.0*
CDF_2010_I849042 1960 n/a - n/a
CMS_2011_I916908 [900..7000] n/a - n/a
CMS_2015_I1385107 2760 n/a - n/a
TransAVE
<Nch> vs pTlead
CDF_2015_I1388868 [300..1960] n/a - 1.2*
nch-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 4.6 +0.30 4.9
CDF_2015_I1388868 [300..1960] n/a - 0.81*
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 3.1 +0.30 3.4
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] n/a - 0.99*
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 2.6 0 2.6
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] n/a - 2.2*
CMS_2015_I1385107 2760 n/a - n/a
Toward
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.6* +0.60 2.2
ATLAS_2017_I1509919 13000 3.6 +0.10 3.7
CDF_2001_I564673 1800 3.0* +1.0 4.0*
CDF_2010_I849042 1960 n/a - n/a
pTlead
ATLAS_2017_I1509919 13000 1.2 +0.60 1.8
CMS_2011_I916908 [900..7000] n/a - n/a
Transverse
pT spectrum
CDF_2001_I564673 1800 n/a - n/a
Δφ distributions
<pT> vs Δφ
ATLAS_2010_I879407 [900..7000] 2.9 +0.20 3.1
Transverse
σ(Nch) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.82* +3.5 4.3
Transverse
σ(Σ(pT)) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.66* +2.9 3.6
Transverse
Σ(ET)
ATLAS_2012_I1183818 7000 1.2* -0.41 0.79*
Transverse
Σ(ET) vs η
ATLAS_2012_I1183818 7000 1.4 +0.90 2.3
Transverse
Scalar Σ(pT)
CMS_2011_I916908 [900..7000] 2.0* +0.70 2.7*
Δφ distributions
Σ(pT) vs Δφ
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 5.1* +0.40 5.5*
Transverse
Σ(pT) vs ηlead
ATLAS_2010_I879407 7000 0.71 +0.39 1.1
Away
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 1.6* +0.40 2.0
ATLAS_2017_I1509919 13000 2.1 +0.40 2.5
CDF_2001_I564673 1800 1.8* +0.40 2.2*
CDF_2010_I849042 1960 n/a - n/a
Transverse
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.61* +0.79 1.4
ATLAS_2017_I1509919 13000 2.2 +0.30 2.5
CDF_2001_I564673 1800 0.80* +1.3 2.1*
CDF_2010_I849042 1960 n/a - n/a
CMS_2011_I916908 [900..7000] n/a - n/a
CMS_2015_I1385107 2760 n/a - n/a
Transverse
Strange Σ(pT) vs pTlead
CMS_2012_PAS_QCD_11_010 7000 12* 0 12*
TransAVE
Σ(pT) vs pTlead
CDF_2015_I1388868 [300..1960] n/a - 0.97*
sumpt-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 1.3 +0.100 1.4
CDF_2015_I1388868 [300..1960] n/a - 0.64*
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 1.9 +0.40 2.3
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] n/a - 0.73*
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 2.7 +0.20 2.9
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] n/a - 2.7*
CMS_2015_I1385107 2760 n/a - n/a
Toward
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 1.3* +0.70 2.0
ATLAS_2017_I1509919 13000 2.4 +0.10 2.5
CDF_2001_I564673 1800 0.27* +0.010 0.28*
CDF_2010_I849042 1960 n/a - n/a

* several "n/a" histograms were excluded from the calculation



n/a indicates that the χ2 value is unavailable, typically due to mismatched binning between theoretical and MC histograms or other issues.



The page data is based on 364 histograms.